If a corrupted configuration file is the culprit, you can reset the app without a full reinstallation: Close uTorrent Web and exit it from the system tray. Press Windows + R , type %appdata% , and hit Enter.
If you use Brave Browser , click the lion icon in the address bar and turn off "Shields" for the uTorrent Web tab. utorrent oops we 39-ve lost connection to your browser
If the error persists, you may need to adjust deeper system or browser settings. 1. Allow Local Network Access (Chrome/Edge) If a corrupted configuration file is the culprit,